15 GCA § 4005
Powers and Duties of Testamentary Guardian
View official PDF ↗Every testamentary guardian must qualify and has the same powers and must perform the same duties with regard to the person and estate of his ward as guardians appointed by the court, except so far as his powers and duties are legally modified, enlarged or changed by the will by which he was appointed.
Reconstructed from the Guam Code Annotated. For the authoritative version, see the official PDF.